(NpREOBRAZOWANIQ lAPLASA FUNKCIJ MNOGIH PEREMENNYH (B/s - (NsMY[LQEWA(B, (NlIDIQ gRIGORXEWNAs ((NlENINGRAD (B:s (Nlgu(B,s, 1981)
(Nw NADZAG(B.: (Nlgu IM(B. (Na(B. (Na(B. (NvDANOWAs
Keywords: (NpREOBRAZOWANIQ lAPLASAs